2117077031 has 4 divisors (see below), whose sum is σ = 2241610992. Its totient is φ = 1992543072.

The previous prime is 2117077013. The next prime is 2117077049. The reversal of 2117077031 is 1307707112.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2117077013) and next prime (2117077049).

It is a de Polignac number, because none of the positive numbers 2^k-2117077031 is a prime.

It is a super-2 number, since 2×2117077031² = 8964030310375549922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2117076985 and 2117077003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117077331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62266955 + ... + 62266988.

It is an arithmetic number, because the mean of its divisors is an integer number (560402748).

Almost surely, 2^2117077031 is an apocalyptic number.

2117077031 is a deficient number, since it is larger than the sum of its proper divisors (124533961).

2117077031 is a wasteful number, since it uses less digits than its factorization.

2117077031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124533960.

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 2117077031 is about 46011.7053693949. The cubic root of 2117077031 is about 1284.0409870280.

The spelling of 2117077031 in words is "two billion, one hundred seventeen million, seventy-seven thousand, thirty-one".